Nodes in cryptocurrency and How they work

Fredrick Awino

As more people around the globe get deeply immersed in stretching the potential of financial technology, new cryptocurrencies keep emerging. Actually, just as there is a rush to own cryptocurrency, there are great investments put in creating new ones. Even as cryptocurrency miners and traders keep the supply-demand dynamics, it is a great idea to grasp important terminologies around them. 

WARNING: Investing in crypto, or other markets, can be of a high risk for your savings. Do not invest money you cannot afford to lose, because there is a risk for losing all of your money when investing in crypto, stocks, CFDs or other investments options. For example 77% of retail CFD accounts lose money.

An ambitious investor in any cryptocurrency must consider it an asset to have at least a reasonable level of knowledge in how mining happens, crypto exchange and general trading dynamics. On the aspect of how the crypto system operates, learning a bit about nodes is a good starting point. 

A Brief recap on cryptocurrency 

No doubt, cryptocurrency has already taken the world by storm in the present times with narratives of how they can make an ordinary person rich. Then probably many people already want a share of this piece of pie and you must know all about crypto operations. A clear understanding of this exciting world of digital currency trading is just necessary to elude your success.

The advantages of trading in cryptocurrency are extreme. They range from achieving a greater stability to an enhanced control over your investment. Cryptocurrencies unlike the common currencies is exempted from political influences and other factors. But for this piece let’s concentrate on understanding of crypto nodes and how they operate. 

What is a Cryptocurrency Node?

It is the integral part of a blockchain that validates every transaction to keep the operational network chain safe that is called a node. In general terms a node simply refers to a device playing part in a wider network. 

Considering the subject of cryptocurrency, a node is majorly considered to be one of the machines running the blockchain software. It then helps with the validation and storage of the complete transaction history on the existing cryptocurrency network.

Most popular currencies like Bitcoin and Dogecoin require a node component to operate. A node for sure makes an essential component of a cryptocurrency blockchain network. This is the decentralised ledger that keeps track of all cryptos. 

As you try to keep up with the understanding of crypto trading, the term blockchain will often cross your path. A Japanese Satoshi Nakamoto, the founder of bitcoin, came up with what is known as the blockchain. More industries thereof saw the magnitude and gravity of blockchain technology hence its popularity in crypto. 

More Insight into Defining a Cryptocurrency Node

A node represents an intersection point in a telecommunication network. But more elaborately a node acts as a system connecting to a network to perform defined duties. A node creates, receives and sends information across its communication channel. 

In virtual currency, you will understand that a node refers to the computer linked to a crypto network. This computer performs specific tasks of producing, receiving and transferring data. However, the definition and understanding of a node in crypto is heavily dependent on the prevailing protocol. 

But how do Cryptocurrency Nodes Work?

Blockchains defines the sequential chains of blocks or sets of transactions given a particular crypto network. Through these distributed ledgers, every trader agrees to be legitimate. The blockchains exist in the nodes. Well, two parties are allowed to make transactions in the absence of a third party’s verification of this transaction. The main reasons why Bitcoin is a non-complex currency is because you don’t need a bank to guarantee your transaction occurrence

Each node will hold an identical version of the transactions. In case of an occurrence of a new group of transactions on the blockchain, it is broadcasted from node to node. This is for the purpose of letting each and every node update its own database in a similar manner. 

In cryptocurrency paths, the common terms which refer to a blockchain network being “distributed” and “peer to peer” is evident. Reason being, nodes have the responsibility of maintaining the required database of every transaction. This should be in a distributed manner to validate each other’s participations on this network.

Who Runs a Cryptocurrency Node?

Unlike in the traditional finance where payment networks are a responsibility of a central administration, in crypto, the nodes need no validation. The nodes of a blockchain have no reliance on any validation for the main reason that they monitor and verify each other. This automated verification is possible through a consensus mechanism. 

Anybody has the potential to set up a node. It takes an easy step of downloading the blockchain’s software onto a personal computer. You need to know that this action can be possible in any part of the world. So, there is no need to worry as a cryptocurrency investor.

Take a Look at Some of The Functions of a Cryptocurrency Node

A node of a blockchain has a potential in broadcasting all the nodes within a specified cryptocurrency network. This happens every time a miner seeks to make an additional block of transactions to the blockchain. However, a node will only accept a block based on its degree of legitimacy.

When a node welcomes a new block of transactions, it has the power to save and store it in addition to the existing blocks. For these reasons I can boldly align that a cryptocurrency node performs the following roles:

  • A node determines the legitimacy of a block transaction to either accept or reject it.
  • A node saves and stores a transaction block for history purposes.
  • Further, the node broadcasts and disseminates a transaction history to the other nodes.

How do you Secure a Blockchain?

In order for you to classify a blockchain it is critical that it is first made available. A single node has the potential of operating a complete blockchain. With the fact that it is kept on a single device, it is mostly vulnerable to hackers, power outage, and system malfunctions. 

Therefore, the more complete nodes available in a blockchain, the more power it has to be able withstand any disaster. The blockchain data is often dispersed over numerous machines and a single node can keep a full blockchain running. Even when all nodes are affected, it will only take a single node carrying the whole blockchain history to back up and restore access to all information.


Author Fredrick Awino